This is a very decorative plate with several complete specimens of the species Placoparia tournemini. The largest specimen measures about 16 mm in length. Three of the trilobites are preserved as positives, one placoparia is on the plate as a negative. | |||
Location: | Valongo - Portugal | ||
Size trilobite: | about 120 x 67 mm | ||
Age: | Middle Ordovician , Llandailo (Darriwilian) (about. 464. Ma) |